U.S. sprinter Gay says he's 'injury free' after workout Sunday

BEIJING -- U.S. sprinter Tyson Gay says he's "injury free"
after completing a workout at Beijing Normal University.

The defending world champion in the 100 and 200 meters showed no
obvious signs of discomfort Sunday while running at a track near
the U.S. training center. Gay completed sprints of 60, 80 and 100
meters during a workout that was open to reporters.

Gay hurt his left hamstring while running in preliminary heats
in the 200 during last month's U.S. trials. He already had
qualified for the 100.

After the workout, Gay said he felt no pain and was "pretty